What is Web performance?

Web performance is how quickly and smoothly a page loads and responds. Google measures it publicly through the Core Web Vitals: LCP, INP and CLS.

3 tools that work with Web performance

Files never leave your browser.

Data & Format Tools1

HTML, CSS & JS MinifierStrip whitespace and comments to shrink HTML, CSS and JavaScript for production.

Image Tools2

Image CompressorDrop an image, see its current size and dimensions auto-detected, then set your targets and compress.SVG OptimizerStrip editor cruft and optimise path data to cut SVG file size, usually by half or more.

Related terms

Terms that appear alongside Web performance on the same tools.

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